Window lock



Oct. 6, 1925. 1,556,524

E. G. KIBBLE ET AL WINDOW LOCK Filed July '7, 1923 a' s llsn 111/1 ill/1x11110510! 19 '1 1.71 1 g 4 ll Emory 6-. Kibble. Clayton C! Wilsorulir INVENTOR ATTORNEY Pat Get. 6, 1925 UNITED STATES PATENT OFFICE.

EMORY G. KIBBLE AND CLAYTON WILSON, J R., 015 PHILADELPHIA, II?ENNSYILVANIA.

WINDOW LOCK.

Application filed July 7, 1923. Serial No. 650,064.

To all whom it may concern: part of the housing a finger 18 is bent over Be it known that we, EMORY G. KIBBLE so as to form a bearing for the plunger and CLAYTON C. VJILSON, Jr., citizens of the hereinafter to be described. United States, residing at Philadelphia, in Pivoted in. the housing 16 is pawl memthe county of Philadelphia and State of her 19 and a nose 20 which is adapted to Pennsylvania, have invented new and useful swing out the housing below the shoulder improvements in Window Locks, of which 17 and into the eye let so as to lock the two the following is a specification. bracket members together and thereby pre- This invention relates to window locks, vent relative movement of the sashes. Slid- 65 and particularly to locks for securing the ably mounted in the upper portion of the sashes together in such manner as to prevent housing 16 is a pion member 21 h i 3 their relative movement. The principal obnotch or recess 22 iich engages a finger 23 ject is to produce a device of this nature extending upwardl from the pawl 19. A which shall automatically look when the spring: 2 f presses against a finger-piece 25 sashes are brought to the correct relative poso as to force the plunger in a direction for sition and which cannot be operated by a extruding the tooth of the pawl 19. knife or other thin instrument inserted belVhen it is desired to move the sashes relatween the sashes. tively, the operator presses in on the finger- Another object of the invention is to propiece so that the parts assume the posi- 20 duce a. device of this nature which shall be tio hown in Figur 3 i which condition simple of construction cheap to manufacthe sash are interlocked and can be moved ture, and highly efficient for the purpose for relatively (0 each other. which it is designed. li hile we have dese ibed what we deem to lVith these and other objects in view, the be the most desirable embodiment of our ininvention resides in certain novel features VGHilOEL it is obvious that many of the parts of construction and combination and armay be varied without in any way departrangement of parts, the essential features of ing from the spirit of our invention, and we which are hereinafter fully described, r therefore do not limit ourselves to the exact particularly pointed out in the appended details of construction herein shown nor to claim, and are illustrated in the accompanyanything less than the whole of our invening drawing, in which 2- tion limited only by the appended claim.

Figure l is a side elevation of our imhat We claim is proved window fastener in place on a pair of The combination with the upper and lower sashes. sashes of a window casement, of an aper- Figure 2 is a vertical sectional view of the tured angle plate, secured to and parallel fastener in securing position. with said upper sas'h, an inverted T hous- Figure 3 is a vertical sectional view showing secured to said lower sash at right angles ing the parts in releasing position. thereto, a pawl pivotally disposed in said Figure 4 is a front view in elevation. housing, its free end adapted to enter the 40 Like characters of reference refer to like aperture in said angle plate, a spring inparts in all views. fluenced rectangular plunger for controlling Referring to the drawing in detail, 10 said pawl, a rectangular notch in one end of 'epresents the lower sash and 11 the upper said plunger, for receiving the other free end ash of a window construction of any usual of said pawl, a stop member integral with and suitable form. Secured to the upper said housing, a shoulder formed on the other sash 11 is a bracket 12 having an upstanding free end of said plunger, for limiting the portion 13 provided with an eye 1e. Arrearward movement of said plunger, a reranged oppositely the member 12 and Se tractile spring on said free end of said r0 cured to the top of the lower sash if), is a plunger, and a spring retannng finger piece o bracket member 15. This is formed from a secured to said free end of the rectangular single piece of metal bent upwardly at the plunger substantially as described. center and folded so as to form a housing 16 In testimony w'hereof we afiix our sigfor the plunger and lock which will now be natures. described. This housing is formed with a shoulder 17 which overlays the upstanding EMORY G. KIBBLE.

portion 13 of the bracket 12. At the rear CLAYTON C. WILSON, JR. 

